 鲜花( 0)  鸡蛋( 0)
|
there are a few kinds of BH that help cars start from extreme cold weather,
1 o7 Z/ b |# l& J( q. n1 l6 Vbasically , BH keep the car warm by heating up the oil pan-which keeps the engine oil from frozen, or by heating up the coolant, and keep the engine block warm.. u3 h' c6 G3 ?
Either way, the engine shall not be frozen with use of BH.$ J6 N1 i0 G! [
8 g6 L$ w& B( e+ }. F, v* `1 i
If you do not have BH on ur car, by using synthetic oil you can also prevent oil frozen from happening.' o# r2 Y" k0 m, u
A good synthetic oil, 5w20 or 5w 30 , or 3w 20 has a pure point of -30 to -40 degrees. |
|